100115877580 has 12 divisors (see below), whose sum is σ = 210243342960. Its totient is φ = 40046351024.

The previous prime is 100115877571. The next prime is 100115877643. The reversal of 100115877580 is 85778511001.

It is a super-2 number, since 2×100115877580² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502896920 + ... + 2502896959.

It is an arithmetic number, because the mean of its divisors is an integer number (17520278580).

Almost surely, 2^100115877580 is an apocalyptic number.

100115877580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100115877580 is an abundant number, since it is smaller than the sum of its proper divisors (110127465380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100115877580 is a wasteful number, since it uses less digits than its factorization.

100115877580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005793888 (or 5005793886 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 43.

The spelling of 100115877580 in words is "one hundred billion, one hundred fifteen million, eight hundred seventy-seven thousand, five hundred eighty".